The Liberty Pumps PC257-441 is a pre-assembled primary sump pump and battery back-up system combo designed for reliable basement water control. It features a 1/3 HP Model 257 primary pump (115V AC) paired with a Model 441 battery back-up pump (12V DC), complete with vertical float switches, check valves, an audible/visual alarm unit, and a battery box maintainer assembly.
Inspection & Testing Details:
We have inspected this item and the primary 115V AC pump was plugged into AC power and powered on successfully. We do not have the capability to test the unit any further.
Defects Noted:
Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Made in USA
Technical Specs
| Item | Sump/Battery Back-Up System |
| Manufacturer Part Number | PC257-441 |
| Cord Length | 4 ft |
| Max. Media Temp. | 140 °F |
| Min. Sump Pit Dia. | 15 in |
| Current (Primary Pump) | 5.2 A |
| Flow Rate @ 10 ft of Head (Primary Pump) | 35 gpm |
| HP (Primary Pump) | 1/3 hp |
| Max. Head (Primary Pump) | 40 ft |
| Rated Voltage (Primary Pump) | 115V AC |
| Flow Rate @ 10' of Head (Secondary Pump) | 32 gpm |
| HP (Secondary Pump) | 1/4 hp |
| Max. Head (Secondary Pump) | 20 ft |
| Rated Voltage (Secondary Pump) | 12V DC |
| Discharge Dia. | 1-1/2 in |
| Discharge Standard | PVC Glue |
| Duty Cycle (Primary Pump) | Continuous |
| Secondary Pump Duty Cycle | Continuous |
| Alert Output | Audio; Visual |
| Motor Housing Material (Primary Pump) | Cast Iron |
| Series | PC441 |
| For Media Type | Clear Water |
| Installation | Submersible |
| Power Source | Vehicle Battery |
| Primary Pump Switch Actuation | Vertical Float |
| Secondary Pump Switch Actuation | Vertical Float |
| Rated Voltage (Primary/Secondary Pump) | 115V AC / 12V DC |
| Switch (Primary Pump) | Vertical Float |
| Country of Origin | USA |